A review of small angle scattering, neutron reflection, and neutron diffraction techniques for microstructural characterization of polymer-bonded explosives
September 2023
To better understand the structure-activity relationship and enhance the overall performance of polymer-bonded explosives (PBXs), the neutron and X-ray scattering techniques, which utilize neutron or...
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Design and performance of a micro-scale detonation train with a built-in pyrotechnic MEMS-based safety and arming device
Available online 8 July 2023
To improve the equipment miniaturization and reliability of weapons and ammunition systems, this study designs a micro-scale detonation train (MDT) with a built-in pyrotechnic microelectromechanical...
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Achieving superior thermal conductivity in polymer bonded explosives using a preconstructed 3D graphene framework
September 2023
When subjected to complicated thermal alternation, the low thermal conductivity (k) of polymerbonded explosives (PBXs) will induce high thermal stress, which will undermine the safety and reliability...
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Machine learning-based prediction and interpretation of decomposition temperatures of energetic materials
Available online 4 September 2023
Exploring the application of machine learning (ML) in energetic materials (EMs) has been a hot research topic. Accordingly, the prediction of the detonation properties of EMs using ML methods has attracted...
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Structure-activity relationship analysis and molecular structure construction of fused tricyclic energetic molecules containing flexible ring
September 2023
A simple, mild and efficient method was proposed to construct fused tricyclic skeletons based on Mannich reaction. This work not only develops a new method to construct the tricyclic skeletons effectively,...
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Recent progress in research on the dynamic process of high-energy explosives through pump-probe experiments at high-intensity laser facilities
September 2023
To accurately predict the detonation and safety performances of high-energy explosives, it is necessary to investigate their reaction mechanisms on different scales, which, however, presents a challenge...
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Application of inkjet printing using micro-nano CL-20-based PVA colloidal suspension with desensitization to MEMS-based pyrotechnics
Available online 13 July 2023
The micro-scale detonation sequence prepared by the inkjet printing using all-liquid 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazawurtzitan (CL-20)-based energetic inks enables the micro-space fine-scale...
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Deuterated energetic materials: Syntheses, structures, and properties
September 2023
The deuteration of energetic materials contributes to high signal-to-noise ratios (SNRs) in neutron diffraction, thus allowing the structures of energetic materials to be effectively investigated. This...
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Research progress in thermal expansion characteristics of TATB based polymer bonded explosives
September 2023
Under complex temperature variations, the irreversible thermal expansion of 1,3,5-triamino-2,4,6-trinitrobenzene (TATB) based polymer bonded explosives (PBXs) results in decreased shape stability, directly...
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Identifying the determining factors of detonation properties for linear nitroaliphatics with high-throughput computation and machine learning
Available online 26 May 2023
In this work, a high-throughput computation (HTC) and machine learning (ML) combined method was applied to identify the determining factors of the detonation velocity (vd) and detonation pressure (pd)...
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EM Database v1.0: A benchmark informatics platform for data-driven discovery of energetic materials
Available online 10 September 2023
Large-scale data demonstrates great significance for the discovery of novel energetic materials (EMs). However, the open-source databases of EMs are not readily available. In pursuit of high-performance...
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An USAXS-SAXS study of nano-TATB under uniaxial die pressures
September 2023
The microstructure of a compressed explosive solid is closely related to its shock sensitivity and mechanical properties. In this study, ultra-small-angle and small-angle X-ray scattering (USAXS and...
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Machine learning-assisted quantitative prediction of thermal decomposition temperatures of energetic materials and their thermal stability analysis
Available online 16 September 2023
In this study, machine learning (ML)-assisted regression modeling was conducted to predict the thermal decomposition temperatures and explore the factors that correlate with the thermal stability of...
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Polymeric nitrogen: A review of experimental synthesis method, structure properties and lattice dynamic characterization from large scientific facilities and extreme spectroscopy perspectives
September 2023
Single-bonded polymeric nitrogen (PN) synthesized under high pressure was highly delivered for its valuable application prospects on high-energy-density materials (HEDM) and profound effects for understanding...
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Ageing studies on AP/HTPB based composites solid propellants
June 2021
Components of solid rocket motor that are susceptible to ageing are propellant, insulator, inhibitor, interfaces, igniter system, and seals. Seals, insulator, ignition systems are replaceable but the...
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Three-dimensional printing of energetic materials: A review
June 2022
Additive manufacturing technology or three-dimensional (3D) printing has been applied in many manufacture fields. The combination of 3D printing and conventional energetic material fields can create...
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Machine learning-guided property prediction of energetic materials: Recent advances, challenges, and perspectives
September 2022
Predicting chemical properties is one of the most important applications of machine learning. In recent years, the prediction of the properties of energetic materials using machine learning has been...
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Atomic force microscopy in energetic materials research: A review
December 2022
Modern trends in the development of energetic materials include the various methods of particle surface modification and the widespread use of nanosized powders. Atomic force microscopy (AFM) is a useful,...
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Nitrogen-rich tetracyclic-based heterocyclic energetic materials
June 2023
This review provides numerous studies on nitrogen-rich tetracyclic-based heterocyclic energetic materials including oxadiazole, tetrazole, triazole, pyrazole, imidazole and tetrazine. The article mainly...
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Recent advances on the crystallization engineering of energetic materials
December 2020
The safety properties and desirable detonation performance of energetic materials (EMs) are mutually exclusive, therefore, various strategies including the coating, doping, crystallization, and co-crystallization,...
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Large-scale scientific facilities: Vital tools to keep pushing the boundaries of science in energetic materials
September 2023
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Successful development of HAN based green propellant
September 2021
Research and development of Hydroxyl Ammonium Nitrate based liquid propellant; SHP-163 is reviewed. Starting from the composition selection of the propellant to the development of 1 N thruster of Green...
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Features of the mechanism of pasty propellants burning
Available online 13 October 2023
The composition of a pasty propellant for small-sized space engines has been proposed. For this propellant, a research of the burning process was carried out. This research included the determination...
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Review of the phonon calculations for energetic crystals and their applications
June 2021
The phonon is one of the most important elementary excitation in solid system, as a gene related to the thermal properties and chemical stability of energetic materials. This paper reviews the molecular...
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Thermally stable and insensitive energetic metal-organic frameworks based on two new tetrazole ligands
June 2023
Two new tetrazole ligands were designed and synthesized using simple methods in this study, namely 1H-tetrazole-5-carbohydrazide (HCHT, 1) and 2-amino-5-(1H-tetrazol-5-yl)-1,3,4-oxadiazole (HAOT, 2)....
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